Annular-shaped beam for the mitigation of thermal lensing effects in Nd: YAG solid-state lasers

ZA Khazal, RK Ibrahim, MJ AbdulRazzaq - Journal of Optics, 2024 - Springer
The present work aims to develop a model to mitigate the thermal lensing effects in laser
diode-pumped solid-state laser systems. Using an annular-shaped beam, a virtual solid …

A new approach to evaluate temperature distribution and stress fracture within solid state lasers

MJ AbdulRazzaq, AZ Mohammed, AK Abass… - Optical and Quantum …, 2019 - Springer
This work presents a new approach to determine the maximum allowable pump power that
causes fractures in solid-state lasers. By considering temperature-dependent-thermal …

Analytical model of transient thermal effects in microchip laser crystal

MY Ghadban, K Shibib, MJ Abdulrazzaq - AIP Conference …, 2020 - pubs.aip.org
Transient thermal model of temperature and stress field in solid-state microchip laser crystal
was obtained analytically using integral transform method. The effect of changing the face …

Reducing temperature distribution in solid-state lasers utilizing annular beam profile: modeling and simulation

ZA Khazal, MJ AbdulRazzaq, RK Ibrahim - Journal of Optics, 2024 - Springer
Based on Kirchhoff's transformation a mathematical expression was derived to reduce the
temperature distribution in a double-end-pumping configuration utilizing an annular intensity …

Analysis of thermal effects within cylindrical shape solid-state laser rod

MJ Abdul Razzaq, KA Hubeatir - Materials Science Forum, 2020 - Trans Tech Publ
In this work, a temperature-dependent analytical model was modified to predict the thermal
effects of diode laser double–end-pumped cylindrical laser rod under Gaussian pump beam …

[PDF][PDF] Prospects of Pumping Power Improvements in Solid-State Lasers

HA Jawad, MJ AbdulRazzaq… - International Journal of …, 2022 - ijneam.unimap.edu.my
When the laser medium is pumped by a high pump power beam, the thermal effects are
unavoidable. At this point, the gradient temperature generated inside the laser medium is …

[PDF][PDF] Effects of pumping profiles on the temperature distributions in double-end pumped solid-state lasers: A comparison study

HA Jawad, MJ AbdulRazzaq, KS Shibib - Engineering and Technology …, 2022 - iasj.net
Understanding the induced temperature distribution over the laser active medium is
important. This is due to the need for a tiny focused pump beam volume in end-pumped …

[PDF][PDF] Understanding unexpected behaviors in exploratory simulations

R Gore - 2010 - Citeseer
Simulations and computational models have become the common tool of subject matter
experts (SMEs) in a variety of disciplines to explore systems with inherent uncertainty …

[PDF][PDF] 3D numerical definition with vectors for human smiles

SR Li, K Chen, MY Ma - International Journal of Physical Sciences, 2011 - Citeseer
In most of the numerical methods for facial expressions in the literatures, the number of the
key controls for animators or robot programmers are too complex and trivial, because what …